EXHIBIT 12.1

COMPUTATION OF RATIOS OF EARNINGS TO FIXED CHARGES

TEXAS INDUSTRIES, INC. AND SUBSIDIARIES



|                                                                                                |  |                              |   |  |                    |   |  |             |   |  |             |   |  |          |   |  |           |  |          
|----------------------------------------------------------------------------------------------- |  | ---------------------------- | - |  | ------------------ | - |  | ----------- | - |  | ----------- | - |  | -------- | - |  | --------- |  | ---------
|                                                                                                |  | Three Months endedAugust 31, |   |  | Year Ended May 31,
|In thousands except ratios                                                                      |  | 2008                         |   |  | 2007               |   |  | 2008        |   |  | 2007        |   |  | 2006     |   |  | 2005      |  | 2004     
|Earnings                                                                                        |  |                              |   |  |                    |   |  |             |   |  |             |   |  |          |   |  |           |  |          
|Income (loss) from continuingoperations before income taxes andchanges in accounting principles |  | $15,389                      |   |  | $26,087            |   |  | $126,673    |   |  | $150,491    |   |  | $(8,814  | ) |  | $62,255   |  | $59,096  
|Fixed charges                                                                                   |  | 10,812                       |   |  | 7,455              |   |  | 35,012      |   |  | 32,515      |   |  | 38,929   |   |  | 30,044    |  | 31,240   
|Amortization of capitalized interest                                                            |  | 578                          |   |  | 275                |   |  | 1,201       |   |  | 1,100       |   |  | 1,100    |   |  | 1,100     |  | 1,100    
|Less: Interest capitalized                                                                      |  | (1,786                       | ) |  | (6,090             | ) |  | (26,462     | ) |  | (12,855     | ) |  | (1,526   | ) |  | --        |  | --       
|                                                                                                |  |                              |   |  |                    |   |  |             |   |  |             |   |  |          |   |  |           |  |          
|Adjusted earnings                                                                               |  | $24,993                      |   |  | $27,727            |   |  | $136,424    |   |  | $171,251    |   |  | $29,689  |   |  | $93,399   |  | $91,436  
|                                                                                                |  |                              |   |  |                    |   |  |             |   |  |             |   |  |          |   |  |           |  |          
|Fixed charges                                                                                   |  |                              |   |  |                    |   |  |             |   |  |             |   |  |          |   |  |           |  |          
|Interest expensed and capitalized                                                               |  | $  8,522                     |   |  | $  5,781           |   |  | $  27,716   |   |  | $  25,574   |   |  | $31,229  |   |  | $21,824   |  | $21,012  
|Net amortization of debt discount,premium and issuance expense                                  |  | 509                          |   |  | 309                |   |  | 1,251       |   |  | 1,355       |   |  | 1,452    |   |  | 1,709     |  | 3,090    
|Interest portion of rent expense                                                                |  | 1,781                        |   |  | 1,365              |   |  | 6,045       |   |  | 5,586       |   |  | 6,248    |   |  | 6,511     |  | 7,138    
|                                                                                                |  |                              |   |  |                    |   |  |             |   |  |             |   |  |          |   |  |           |  |          
|Total fixed charges                                                                             |  | $10,812                      |   |  | $  7,455           |   |  | $  35,012   |   |  | $  32,515   |   |  | $38,929  |   |  | $30,044   |  | $31,240  
|                                                                                                |  |                              |   |  |                    |   |  |             |   |  |             |   |  |          |   |  |           |  |          
|Ratio of earnings to fixed charges                                                              |  | 2.31                         |   |  | 3.72               |   |  | 3.90        |   |  | 5.27        |   |  | .76      |   |  | 3.11      |  | 2.93     
|                                                                                                |  |                              |   |  |                    |   |  |             |   |  |             |   |  |          |   |  |           |  |          
|Deficiency of earnings to cover fixed charges                                                   |  | $      --                    |   |  | $      --          |   |  | $        -- |   |  | $        -- |   |  | $  9,240 |   |  | $      -- |  | $      --
|                                                                                                |  |                              |   |  |                    |   |  |             |   |  |             |   |  |          |   |  |           |  |